GroupDocs.Annotation 23.12.0

Prefix Reserved
.NET Standard 2.1 This package targets .NET Standard 2.1. The package is compatible with this framework or higher. .NET Framework 4.6.2 This package targets .NET Framework 4.6.2. The package is compatible with this framework or higher.
There is a newer version of this package available.
See the version list below for details. 
dotnet add package GroupDocs.Annotation --version 23.12.0
                    


                    

                
NuGet\Install-Package GroupDocs.Annotation -Version 23.12.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="GroupDocs.Annotation" Version="23.12.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="GroupDocs.Annotation" Version="23.12.0" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="GroupDocs.Annotation" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add GroupDocs.Annotation --version 23.12.0
                    


                    

                
#r "nuget: GroupDocs.Annotation, 23.12.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package GroupDocs.Annotation@23.12.0
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=GroupDocs.Annotation&version=23.12.0
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=GroupDocs.Annotation&version=23.12.0
                    


                            Install as a Cake Tool

.NET API for Document Annotation

Version 23.12.0 Nuget

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Product Page | Docs | Knowledge Base | Demos | API Reference | Examples | Blog | Releases | Free Support | License

It's an on-premise API that seamlessly integrates document annotation features into your .NET applications. Apply graphic, text, and watermark annotations.

Document Annotation via .NET

  • Import document annotations.
  • Add, remove, or reply to annotation comments.
  • Render document pages as images.
  • Generate document thumbnails or document image preview.
  • Support for default cache (local disk) or custom cache (Amazon S3, Dropbox, etc.).
  • Get list of supported file formats.
  • Fetch document information, such as page count & file size.
  • Extract annotations from a document and serialize to XML format.
  • Remove previously added annotations from a document.
  • Update specific annotation properties (size, color, etc.).

Supported Annotation Objects

Graphic Annotation: Area, Arrow, Distance, Point, Polyline, Redaction, TextField, Ellipse
Text Annotation: Highlight, Replacement, Strikeout, Underline
Watermark: Horizontal, Diagonal

Support Microsoft Office Formats for Annotation

Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX, RTF
Microsoft Excel: XLS, XLSB, XLSM, XLSX
Microsoft PowerPoint: PPT, PPTX, PPSX, PPS
Microsoft Visio: VSD, VSDX, VSS, VST

Other Document Formats

Portable: PDF (PDF/A-1a, PDF/A-1b, PDF/A-2a)
OpenDocument: ODT, ODS, ODP
Images: TIF, TIFF, JPG, JPEG, PNG, BMP
Medical Imaging: DCM
AutoCAD: DWG, DXF
Email: EML
Web: HTML

Supported Platforms

GroupDocs.Annotation for .NET supported platforms are listed below:
.NET Standard 2.0: Any type of .NET Standard 2.0 application is supported (since Q4 2019).
.NET Framework: Any type of .NET Framework version 2.0 (or later) application is supported - ASP.NET, Web Services, WinForms, WPF, and others. Full support for 32-bit and 64-bit.
Windows Azure: GroupDocs.Annotation for .NET runs on Windows Azure.
Mono: You can use GroupDocs.Annotation for .NET to build applications with Mono.

Get Started

Are you ready to give GroupDocs.Annotation for .NET a try? Simply execute Install-Package GroupDocs.Annotation from Package Manager Console in Visual Studio to fetch & reference GroupDocs.Annotation assembly in your project. If you already have GroupDocs.Annotation for .Net and want to upgrade it, please execute Update-Package GroupDocs.Annotation to get the latest version.

Please check the GitHub Repository for other common usage scenarios.

Use C# Code to Extract Annotations from PDF File

// for using this example input file ("annotated.pdf") must be with annotations
using(Annotator annotator = new Annotator("annotated.pdf")) {
   List < AnnotationBase > annotations = annotator.Get();
   XmlSerializer formatter = new XmlSerializer(typeof (List < AnnotationBase > ));
   using(FileStream fs = new FileStream("annotations.xml", FileMode.Create)) {
      fs.SetLength(0);
      formatter.Serialize(fs, annotations);
   }
}

Product Page | Docs | Knowledge Base | Demos | API Reference | Examples | Blog | Releases | Free Support | License

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
.NET Core netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.1 is compatible. 
.NET Framework net462 is compatible.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
25.11.0 241 11/6/2025
25.10.0 296 11/4/2025 25.10.0 is deprecated because it is no longer maintained.
24.12.0 1,869 12/27/2024
24.5.0 1,718 5/30/2024
24.4.0 1,065 4/8/2024
23.12.0 1,966 12/29/2023
23.6.0 6,848 6/30/2023
23.5.0 7,052 5/31/2023
23.4.0 2,918 4/11/2023
23.1.0 3,990 1/31/2023
22.11.0 2,399 11/30/2022
22.9.0 1,955 9/30/2022
22.5.1 2,473 8/9/2022
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https://releases.groupdocs.com/annotation/net/release-notes/2023/groupdocs-annotation-for-net-23-12-release-notes/